Commit 186ee8cf authored by Gustavo Padovan's avatar Gustavo Padovan Committed by Marcel Holtmann
Browse files

Bluetooth: Ack L2CAP I-frames before retransmit missing packet 



Moving the Ack to before l2cap_retransmit_frame() we can avoid the
case where txWindow is full and the packet can't be retransmited.

Signed-off-by: default avatarGustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 186de9a3

net/bluetooth/l2cap.c

+1 −1
Original line number Diff line number Diff line
@@ -3471,9 +3471,9 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str 
		pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;



		if (rx_control & L2CAP_CTRL_POLL) {

			l2cap_retransmit_frame(sk, tx_seq);

			pi->expected_ack_seq = tx_seq;

			l2cap_drop_acked_frames(sk);

			l2cap_retransmit_frame(sk, tx_seq);

			l2cap_ertm_send(sk);

			if (pi->conn_state & L2CAP_CONN_WAIT_F) {

				pi->srej_save_reqseq = tx_seq;